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Finding the Fourth Proportional to 506,401.44, 699,009.78 and 291,627.06

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Solution

The fourth proportional to 506,401.44, 699,009.78 and 291,627.06 is: 402,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,401.44 : 699,009.78 = 291,627.06 : x
  2. Step 2: Convert to fraction form
    506,401.44/699,009.78 = 291,627.06/x
  3. Step 3: Cross multiply
    506,401.44x = 699,009.78 × 291,627.06
  4. Step 4: Simplify right side
    506,401.44x = 203,850,167,052.65
  5. Step 5: Solve for x
    x = 203,850,167,052.65/506,401.44
  6. Step 6: Final answer
    x = 402,546.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.